.bin/umount-tree

   1 #!/bin/bash
   2
   3 if [[ -z $1 ]] ; then
   4         echo "Usage: $0 <root>"
   5         exit 1
   6 fi
   7
   8 while [[ $# -gt 0 ]] ; do
   9
  10 root=$1
  11 shift
  12
  13 mounts=$(gawk -v p="${root%/}" '$2 ~ "^"p { print $2 }' /proc/mounts | tac)
  14 if [[ -z ${mounts} ]] ; then
  15         echo "No mounts found ..."
  16         echo
  17         mount
  18         continue
  19 fi
  20
  21 echo "Unmounting: "
  22 printf '\t%s\n' ${mounts}
  23
  24 printf "OK? [y/N] "
  25 read v
  26 [[ ${v} == "y" ]] && sudo umount -v ${mounts}
  27
  28 done